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 A262112 Number of (3+1)X(n+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits. 0
 54, 1968, 61256, 1845169, 50756609, 1290246169 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A262109. LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for n=3 ..1..0..0..1....1..2..1..0....0..1..1..0....0..0..1..1....1..0..1..0 ..2..1..0..1....1..1..0..2....0..2..1..0....0..2..2..1....2..0..1..0 ..2..1..2..1....1..2..1..1....1..2..2..1....1..1..0..2....2..1..0..2 ..2..1..1..2....2..2..1..2....2..2..1..2....0..2..2..1....2..0..1..1 CROSSREFS Cf. A262109. Sequence in context: A173188 A004363 A062144 * A076009 A358925 A003755 Adjacent sequences: A262109 A262110 A262111 * A262113 A262114 A262115 KEYWORD nonn AUTHOR R. H. Hardin, Sep 11 2015 STATUS approved

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Last modified July 12 06:35 EDT 2024. Contains 374237 sequences. (Running on oeis4.)